Game Mode: Planet

[mathmil]

www.maa.org/sites/default/files/pdf/pubs/SetsPlanetsAndComets.pdf
A gamemode where you can find Sets, UtraSets and a new type of structure called Comet.
Only 9 cards are dealed, there is always one of the structures.
The Score isn't the number of Sets but the number of Cards.

[ekzhang]

Link appears to be broken but this seems reasonable if it's a popular request!